Cisco Warns of Hackers Actively Exploiting ASA and FTD 0-day RCE Vulnerability in the Wild

Cisco has confirmed that threat actors are actively exploiting a critical remote code execution (RCE) flaw in its Secure Firewall Adaptive Security Appliance (ASA) and Threat Defense (FTD) software. First disclosed on September 25, 2025, the vulnerability tracked as CVE-2025-20333 poses a severe risk to organizations relying on these firewalls for VPN access. With a […]

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